<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="排序" prop="sort">
        <el-input v-model="queryParams.sort" placeholder="请输入排序" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['shangpin:specification:add']">添加</el-button>
      </el-col>
      <!-- 写一个批量删除的按钮 -->
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" @click="handleDelete"
          v-hasPermi="['shangpin:specification:remove']">批量删除</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="specificationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="规格名称" align="center" prop="specificationName" />
      <el-table-column label="规格值" align="center" prop="specificationValue" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['shangpin:specification:edit']">编辑</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['shangpin:specification:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改规格列表对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="specificationRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="规格名称" prop="specificationName">
          <el-input v-model="form.specificationName" placeholder="请输入规格名称" />
        </el-form-item>
        <el-form-item label="规格值" prop="specificationValue">
          <el-select v-model="form.specificationValue" placeholder="请选择规格值" filterable allow-create multiple>
            <el-option v-for="value in specificationValues" :key="value" :label="value" :value="value" />
          </el-select>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Specification">
import { listSpecification, getSpecification, delSpecification, addSpecification, updateSpecification, getSpecificationValues } from "@/api/shangpin/specification"

const { proxy } = getCurrentInstance()

const specificationList = ref([])
const specificationValues = ref([]) // 添加规格值列表
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    sort: null,
  },
  rules: {
    specificationName: [
      { required: true, message: "规格名称不能为空", trigger: "blur" }
    ],
    specificationValue: [
      { required: true, message: "规格值不能为空", trigger: "blur" }
    ],
  }
})

const { queryParams, form, rules } = toRefs(data)

/** 查询规格列表列表 */
function getList() {
  loading.value = true
  listSpecification(queryParams.value).then(response => {
    specificationList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

/** 获取规格值列表 */
function getSpecificationValueList() {
  getSpecificationValues().then(response => {
    console.log('规格值API响应:', response)
    specificationValues.value = response.data || []
    console.log('规格值列表:', specificationValues.value)
  }).catch(error => {
    console.error('获取规格值失败:', error)
  })
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    specificationName: null,
    specificationValue: [],
    sort: null,
    status: null,
    createTime: null,
    updateTime: null,
    createBy: null,
    updateBy: null,
    delFlag: null
  }
  proxy.resetForm("specificationRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  // 新增时清空规格值列表
  specificationValues.value = []
  open.value = true
  title.value = "添加规格列表"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _id = row.id || ids.value
  getSpecification(_id).then(response => {
    form.value = response.data
    // 编辑时将当前规格值字符串拆分为数组，并添加到选项列表中
    if (response.data.specificationValue) {
      const currentValues = response.data.specificationValue.split(',').map(v => v.trim()).filter(v => v)
      specificationValues.value = [...new Set(currentValues)] // 去重
      // 设置表单值为当前规格值数组
      form.value.specificationValue = currentValues
    } else {
      specificationValues.value = []
    }
    open.value = true
    title.value = "修改规格列表"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["specificationRef"].validate(valid => {
    if (valid) {
      // 将规格值数组转换为逗号分隔的字符串
      if (Array.isArray(form.value.specificationValue)) {
        form.value.specificationValue = form.value.specificationValue.join(',')
      }
      
      if (form.value.id != null) {
        updateSpecification(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addSpecification(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm('是否确认删除规格列表编号为"' + _ids + '"的数据项？').then(function () {
    return delSpecification(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => { })
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('shangpin/specification/export', {
    ...queryParams.value
  }, `specification_${new Date().getTime()}.xlsx`)
}

getList()
</script>
